Aerodynamics in the open channel of the Sistan-type wind-mill with vertical axis wind turbine

Abderrahmane Baïri (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)
David San Martin (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)
Iken Baïri (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)
Kemi Adeyeye (Department of Architecture and Civil Engineering, University of Bath, Bath, UK)
Kaiming She (School of Environment and Technology, University of Brighton, Brighton, UK)
Ali Hocine (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)
Nacim Alilat (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)
Cyril Lamriben (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)
Jean-Gabriel Bauzin (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)
Bruno Chanetz (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)
Najib Laraqi (Laboratoire Thermique Interfaces Environnement (LTIE-GTE EA 4415), Université de Paris, Ville d’Avray, France)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Publication date: 7 November 2016

Abstract

Purpose

The purpose of this paper is to examine the details of the air mass flow and aerodynamical phenomena across a channel containing a large vertical axis wind turbine. The considered model reproduces as closely as possible the real assembly of the Sistan-type wind-mill whose top is open. The technical results of this work could be used for the restoration and operation of this assembly whose historical and architectural values are recognized.

Design/methodology/approach

Several inlet velocities into the channel are considered, taking into account the possible local wind resources. Calculations corresponding to Reynolds number varying between 8×105 and 4×106 are made by means of the finite volume method and turbulence is treated with the realizable k-ε model. The mesh consists of a fixed part associated to the contour of the channel, interfaced with a moving one linked to the turbine itself, equipped with nine partly filled wings.

Findings

The relative pressure and velocity fields are presented for various dynamic and static conditions. Calculation results clearly show that the vortex phenomena present in some cases are not a source of degradation of the wind turbine’s aerodynamical performances, given its location, intensity and rotation direction. Particular attention is devoted to the air mass flow and its distribution between the inlet and the outlet sections of the channel.

Originality/value

The present work provides technical information useful to consider the restoration and modernization of this installation whose architecture and technical performance are very interesting. This survey complements a previous one examining the aerodynamical phenomena occurring in a modified version of this assembly with a closed top channel.

Keywords

Citation

Baïri, A., San Martin, D., Baïri, I., Adeyeye, K., She, K., Hocine, A., Alilat, N., Lamriben, C., Bauzin, J., Chanetz, B. and Laraqi, N. (2016), "Aerodynamics in the open channel of the Sistan-type wind-mill with vertical axis wind turbine", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 26 No. 8, pp. 2298-2309. https://doi.org/10.1108/HFF-06-2015-0226

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Publisher

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Emerald Group Publishing Limited

Copyright © 2016, Emerald Group Publishing Limited

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